#!/bin/sh

# upload_dahdi: upload a dahdi tarball to updates.xorcom.com
#

set -e

BRANCH_NAME=1.4
REV=HEAD
DAHDI_BASE=http://svn.digium.com/svn/dahdi
TARBALLS_DIR=$PWD

me=`basename $0`

say() {
  echo "$me: $@"
}

usage() {
  echo >&2 "$0: Generate snapshot from DAHDI SVN"
  echo >&2 '    ($Id$)'
  echo >&2 ""
  echo >&2 "$0 [-r REV] [-2] [-s]"
  echo >&2 "$0 <-h | --help>: This message"
  echo >&2 ""
  echo >&2 "Options:"
  echo >&2 "   -2 --dahdi12:         Use Asterisk 1.2. Implies -u."
  echo >&2 "   -r --rev REV:       extract xpp-dahdi from this revision ($REV)."
  echo >&2 "   -s --show:          Just show  versions. Do nothing"

}

opt_showonly=no

options=`getopt -o 2hr:s --long dahdi12,help,rev:,revision:,show -- "$@"`
if [ $? != 0 ] ; then echo >&2 "Terminating..." ; exit 1 ; fi

# Note the quotes around `$TEMP': they are essential!
eval set -- "$options"

while true ; do
	case "$1" in
		-2|--dahdi12) BRANCH_NAME=1.2;;
		-s|--show) opt_showonly=yes ;;
		-r|--rev|--revision) REV="$2"; shift ;;
		-h|--help) usage; exit 0;; 
		--) shift ; break ;;
	esac
	shift;
done

BRANCH=branches/$BRANCH_NAME
DAHDI_URL=$DAHDI_BASE/$BRANCH

set -e

# Get the name of the "previous version" for this release.
# The idea is to look at the latest tag for that branhch. Tags are
# global, and hence we filter tag names by branch name.
#
# Note: this strips any minor version number. 
# e.g: if last releast was 1.4.5.1, this will still return 1.4.5 . Here
# we rely on the fact that the revision number will be added.
dahdi_ver=`svn ls -r $REV $DAHDI_BASE/tags | grep "^$BRANCH_NAME" \
  | sed -e "s/\($BRANCH_NAME\.[0-9]\+\)[/.-].*/\1/" \
  | sort -nu -t . -k 3 | tail -n 1`

real_rev=`svn info -r $REV $DAHDI_URL \
  | awk '/^Last Changed Rev: /{print $4}'`

ver_full="$dahdi_ver.9.svn.$real_rev"
tar_name="dahdi-$ver_full"
tar_ball_full="$TARBALLS_DIR/$tar_name.tar.gz"

say "Version: $ver_full (ver: $dahdi_ver, rev: $real_rev)"
say "Tarball:  $tar_ball_full"

if [ "$opt_showonly" = 'yes' ]; then
	exit 0;
fi

DAHDI_CHECKOUT_DIR=`mktemp -d dahdi_checkout_dir_XXXXXX` 

# Package a tarball from the subversion, using 'make dist':
svn export -q -r $REV $DAHDI_URL $DAHDI_CHECKOUT_DIR/$tar_name
echo "$ver_full" >$DAHDI_CHECKOUT_DIR/$tar_name/.version
tar cz -C $DAHDI_CHECKOUT_DIR -f $tar_ball_full $tar_name

rm -rf $DAHDI_CHECKOUT_DIR